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Gallery - Pareto Chart

A chart with two sets of data, one bar and one line.

A Pareto chart, combination of bar and line chart showing the 80:20 rule. The bar chart shows each persons sales and the line shows cumulative sales.

In our example graph it shows that the sales people who contribute approx. 80% of the total sales are John, Tracy and Joe. These represent approx. 20% of the sales team.

Create the flash object

<?php
include_once 'ofc-library/open_flash_chart_object.php';
open_flash_chart_object( 500, 300, 'http://'. $_SERVER['SERVER_NAME'] .'/open-flash-chart/gallery-data-17.php' );
?>

gallery-data-17.php

<?php

// generate some random data
srand((double)microtime()*1000000);


$data_1 = array(50,25,12,6,3,2,1,1);
$data_2 = array(50,75,87,93,96,98,99,100);


include_once( 'ofc-library/open-flash-chart.php' );
$g = new graph();
$g->title( 'Sales (�)', '{font-size: 30px; color: #2693CF}' );

$g->set_data( $data_1 );
$g->bar( 50, '0x639F45', 'Sales per person', 14 );

$g->set_data( $data_2 );
$g->line_hollow( 3, 4, '0x2693CF', 'Cumulative sales', 14 );

$g->set_x_labels( array( 'John','Tracy','Joe','Dan','Em','Gar','Elbow','Mur' ) );
$g->set_y_max( 100 );
$g->y_label_steps( 10 );
$g->set_y_legend( 'Percentage of total sales', 14, '0x639F45' );
echo $g->render();
?>

To see the data produced : gallery-data-17.php, then 'view source'.

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